header {
  width: 100%;
  height: 1.5rem;
  line-height: 1.5rem;
  text-align: center;
  font-size: 0.5rem;
  font-weight: bold;
  color: #3f51b5;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  /*  */
  background-color: #3f51b5;
  box-shadow: 0px -24px 24px 34px rgb(203, 193, 187);
}

.search-wrap {
  width: 8rem;
  margin: 0 auto;
  position: relative;
}

input {
  outline: none;
  border: none;
  padding: 0.2rem 0.2rem 0.2rem 1rem;
  width: 6.72rem;
  height: 0.46rem;
  font-size: 0.4rem;
}

i {
  font-size: 0.4rem;
  line-height: 0.46rem;
  width: 0.46rem;
  height: 0.46rem;
  position: absolute;
  left: 0.4rem;
  top: 0.58rem;
}
